<div class="myAudio">
    <div class="myAudio_background">
        <div class="myAudio_btn" onclick="qrLogin()">
        </div>
    </div>

</div>

<style> 
    .myAudio {
        width: 980px;
        margin: 0 auto;
        border: 1px solid #ddd;
        height: 700px;
        background-color: #fff;
    }

    .myAudio_background {
        width: 800px;
        height: 260px;
        background: url(../image/myAudio.png) no-repeat;
        margin: 172px auto 0;
        position: relative;
    }

    .myAudio_btn {
        position: absolute;
        bottom: 13px;
        right: 152px;
        border-radius: 7px;
        width: 167px;
        height: 45px;   
    }

</style>
